Charles Geschke was the co-founder of Adobe, the software giant that created Photoshop and PDFs.Geschke was working at Xerox’s Palo Alto Research Center in the 1970s when he began developing the computer language Interpress, which was intended to provide high quality printing.
When Xerox wasn’t interested in moving forward with Interpress, Geschke and his colleague John Warnock left the company and founded Adobe Inc.
There, they reworked Interpress into PostScript. Working together with Steve Jobs (1955–2011), they incorporated PostScript into Apple’s LaserWriter printer.
The combination became the first desktop publishing software, leading to a revolution in the printing industry. As Adobe grew, Geschke served as its COO and then president.
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